Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Electromagnetic radiation can be viewed as...
Less on the moon
Near a maximum
Second principle of Centripetal force
Waves and particles

2. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Might stay the same
Waves and particles
Means less power is transmitted
Remains unchanged

3. Heat is the...
Momentum
Newtons first principle of Universal Gravitation
Near a maximum
Total internal energy of an object

4. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Less on the moon
Twice the work
5 m/s
Waves and particles

5. Increasing the frequency of light
Less on the moon
Increases the energy
Means less power is transmitted
Newtons second principle of Universal Gravitation

6. In a generator - the flow of electrons (current) is created by...
Twice the work
Decreased
Heat of fusion
Movement

7. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
First principle of Centripetal force
5 m/s
Remains unchanged
Less on the moon

8. If a charging elephant has kinetic energy - it must also have...
Heat of fusion
Momentum
Second principle of Centripetal force
Sulfur

9. Circular motion requires centripetal force
First principle of Centripetal force
12 miles per hour
Increases the energy
Less on the moon

10. Electrical energy can be converted to...
Mechanical - chemical - and radiant energy
Universal
12 miles per hour
Decreased

11. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
Halogen radicals interfering in ozone synthesis
Third principle of Centripetal force
Difference between the heat supplied and the heat exhausted

12. The reason that a spear fisherman cannot see where the fish is actually located is...
Difference in the sped of light in water vs. air
Means less power is transmitted
Waves and particles
5 m/s

13. At a given speed - the centripetal force - the smaller the circle.
Newtons second principle of Universal Gravitation
Third principle of Centripetal force
5 m/s
Might stay the same

14. The gravitational force - two masses are directly proportional to the mass of each object
Second principle of Centripetal force
Remains unchanged
Newtons second principle of Universal Gravitation
Increases the energy

15. The ozone hole results from...
Halogen radicals interfering in ozone synthesis
Difference in the sped of light in water vs. air
Near a maximum
Third principle of Centripetal force

16. Entropy refers to...
Difference between the heat supplied and the heat exhausted
Decreased
Disorder
Twice the work

17. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Near a maximum
Total internal energy of an object
Newtons third principle of Universal Gravitation
Third principle of Centripetal force

18. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Might stay the same
Increasing speed and constant acceleration
Total internal energy of an object
Waves and particles

19. The work that a heat engine is able to accomplish is ideally equivalent to the
Total internal energy of an object
5 m/s
Newtons first principle of Universal Gravitation
Difference between the heat supplied and the heat exhausted

20. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
12 miles per hour
Waves and particles
Newtons third principle of Universal Gravitation
Halogen radicals interfering in ozone synthesis

21. From the 50's and to the 70's - the pH of rain in the northeast had..
Sulfur
Less on the moon
Decreased
Second principle of Centripetal force

22. The larger the centripetal force - the faster an object travels in a circle of a given size
Momentum
Second principle of Centripetal force
Increases the energy
Universal

23. Which is not one of the fundamental forces of nature...
12 miles per hour
Increasing speed and constant acceleration
Universal
Newtons first principle of Universal Gravitation

24. In burning coal - what contaminant is of major concern as a pollutant...
First principle of Centripetal force
Difference in the sped of light in water vs. air
Newtons second principle of Universal Gravitation
Sulfur

25. Raising an auto in a service station requires work. Raising it twice as high requires...
Less on the moon
Twice the work
Mechanical - chemical - and radiant energy
Might stay the same

26. cogeneration uses...
Total internal energy of an object
Waste heat for secondary uses
First principle of Centripetal force
Remains unchanged

27. A temperature of -10 degrees celsius is equivalent to...
Newtons third principle of Universal Gravitation
263 degrees kelvin
Sulfur
Means less power is transmitted

28. All objects with mass are attracted to another by the gravitational force
Means less power is transmitted
Waste heat for secondary uses
Newtons first principle of Universal Gravitation
Waves and particles

29. The theoretical production curve of oil indicates oil production is...
Increasing speed and constant acceleration
Difference in the sped of light in water vs. air
Disorder
Near a maximum

30. The weight of one kilogram of iron on earth is...
Increases the energy
Newtons first principle of Universal Gravitation
Less on the moon
Total internal energy of an object

31. When you add heat to a substance - its temperature...
Might stay the same
Twice the work
Momentum
12 miles per hour